Lego Marvels Avengers Mac OS X is a video game developed by Traveller's Tales and here you will find most of the characters from movies. In a really funny way designed, this action-adventure game for Mac can be played as a single-player mode and also in multiplayer mode. The story of Avengers for MacBook begins on A-day when five of the founding members of the Avengers meaning Captain America, Iron Man, Thor, Black Widow and Bruce Banner are celebrating the unveiling of the second headquarters in San Francisco. Unfortunately the ceremony goes awry when some type of terrorist attack led by Taskmaster destroyed the Golden Gate Bridge and most cities.
I've been using MySQL 8 on Linux for a couple years but the Linux repository version didn't install the new MySQL Shell. So, I discovered the new MySQL Shell when I installed MySQL 8 (8.0.21) on Windows to teach my student how to use it to learn SQL commands. I encourage you to read the full MySQL Shell document.
The following is a tutorial to provision a student user and studentdb database in MySQL. It uses the MySQL Shell (mysqlsh) and stages for uploads of comma-separated values files.
After installing MySQL on the Windows 10 OS, open the Window OS Command Line Interface (CLI) shell by entering the following in the search field at the bottom left:
It launches a CLI interface to the Windows OS. The cmd (command) utility opens the CLI in the following directory (where you substitute your user's name for the username placeholder below):
At the command prompt, you would enter mysql to launch the old MySQL CLI. Instead of that, you enter mysqlsh to launch the new MySQL CLI as the root user. The command to launch the MySQL Shell as the root user is:
It should return the following and prompt you for a single character entry to save the password for the Operating System user. As a rule, in a development instance that's a good idea and practice.
The prompt will not accept SQL commands because it always initializes in the JavaScript (JS) context. The MySQL Shell supports three interactive interfaces: JavaScript, Python, and SQL.
You can verify the integrity of the shell from the JavaScript (JS) context as the root user with the following command:
As the root user, it should return something like this:
You can switch to the SQL context as the root or any other user with this command. The switch only changes your form of interaction with the server and you remain connected as the root user:
You can verify that your session is still owned by the root user with the following SELECT statement:
It returns:
The next step shows you how to setup a sample studentdb database. Some syntax has changed from prior MySQL releases. Here are the three steps:
- Create the
studentdbdatabase with the following command as the MySQLrootuser: - Grant the
rootuser the privilege to grant to others, which root does not have by default. You use the following syntax as the MySQLrootuser: - Create the user with a clear English password and grant the user
studentfull privileges on thestudentdbdatabase: - Our sample database uses large file uploads with MySQL's LOAD command, which means you need to grant one additional global privilege:
The MySQL FILE privilege is a global privilege to read and write files on the local server. MySQL 8 installation on Windows 10 sets the following directory as the target for uploading files in the my.ini file:
You can find the setting in the C:ProgramDataMySQLMySQL Server 8.0my.ini file. You can find this value without referencing the my.ini file by querying the data:
A new installation should return:
You can test the ability to use the LOAD command with the following avenger.csv test file. Copy it into the C:ProgramDataMySQLMySQL Server 8.0Uploads directory and make sure the directory permissions are set to read-only for Everyone (check the Microsoft OS documentation if these concepts are new to you).
Open another cmd (command) CLI and put the following code into a file that you save as avenger.sql in the C:Usersusername directory.
From the cmd (command) shell, launch the MySQL Shell as the student user with the following syntax:
At the MySQL Shell (mysqlsh) prompt switch from the default JavaScript (JS) context to SQL context and run the following query:
If you did everything above correctly, it should return:
Again, assuming you did everything above correctly, you should be able to run your avenger.sql script file from the MySQL Shell (mysqlsh) prompt, like:
It should return output like the following:
You now have a student user and studentdb database like my students. I hope it was fun to build.
You can find the my.ini file in the C:ProgramDataMySQLMySQL Server 8.0 directory of a standard Windows 10 file system. Its a good idea not to change anything unless you know what you're doing, and remember you need to restart the Microsoft MySQL80 Service for any change to be made effective in your database operations.
I've been using MySQL 8 on Linux for a couple years but the Linux repository version didn't install the new MySQL Shell. So, I discovered the new MySQL Shell when I installed MySQL 8 (8.0.21) on Windows to teach my student how to use it to learn SQL commands. I encourage you to read the full MySQL Shell document.
The following is a tutorial to provision a student user and studentdb database in MySQL. It uses the MySQL Shell (mysqlsh) and stages for uploads of comma-separated values files.
After installing MySQL on the Windows 10 OS, open the Window OS Command Line Interface (CLI) shell by entering the following in the search field at the bottom left:
It launches a CLI interface to the Windows OS. The cmd (command) utility opens the CLI in the following directory (where you substitute your user's name for the username placeholder below):
At the command prompt, you would enter mysql to launch the old MySQL CLI. Instead of that, you enter mysqlsh to launch the new MySQL CLI as the root user. The command to launch the MySQL Shell as the root user is:
It should return the following and prompt you for a single character entry to save the password for the Operating System user. As a rule, in a development instance that's a good idea and practice.
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The prompt will not accept SQL commands because it always initializes in the JavaScript (JS) context. The MySQL Shell supports three interactive interfaces: JavaScript, Python, and SQL.
You can verify the integrity of the shell from the JavaScript (JS) context as the root user with the following command:
As the root user, it should return something like this:
You can switch to the SQL context as the root or any other user with this command. The switch only changes your form of interaction with the server and you remain connected as the root user:
You can verify that your session is still owned by the root user with the following SELECT statement:
It returns:
The next step shows you how to setup a sample studentdb database. Some syntax has changed from prior MySQL releases. Here are the three steps:
- Create the
studentdbdatabase with the following command as the MySQLrootuser: - Grant the
rootuser the privilege to grant to others, which root does not have by default. You use the following syntax as the MySQLrootuser: - Create the user with a clear English password and grant the user
studentfull privileges on thestudentdbdatabase: - Our sample database uses large file uploads with MySQL's LOAD command, which means you need to grant one additional global privilege:
The MySQL FILE privilege is a global privilege to read and write files on the local server. MySQL 8 installation on Windows 10 sets the following directory as the target for uploading files in the my.ini file:
You can find the setting in the C:ProgramDataMySQLMySQL Server 8.0my.ini file. You can find this value without referencing the my.ini file by querying the data:
A new installation should return:
You can test the ability to use the LOAD command with the following avenger.csv test file. Copy it into the C:ProgramDataMySQLMySQL Server 8.0Uploads directory and make sure the directory permissions are set to read-only for Everyone (check the Microsoft OS documentation if these concepts are new to you).
Open another cmd (command) CLI and put the following code into a file that you save as avenger.sql in the C:Usersusername directory.
From the cmd (command) shell, launch the MySQL Shell as the student user with the following syntax:
At the MySQL Shell (mysqlsh) prompt switch from the default JavaScript (JS) context to SQL context and run the following query:
If you did everything above correctly, it should return:
Again, assuming you did everything above correctly, you should be able to run your avenger.sql script file from the MySQL Shell (mysqlsh) prompt, like:
It should return output like the following:
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You now have a student user and studentdb database like my students. I hope it was fun to build.
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You can find the my.ini file in the C:ProgramDataMySQLMySQL Server 8.0 directory of a standard Windows 10 file system. Its a good idea not to change anything unless you know what you're doing, and remember you need to restart the Microsoft MySQL80 Service for any change to be made effective in your database operations.
